Process for producing rotationally symmetrical components

Inactive Publication Date: 2007-10-02
MUHR UND BENNDER KG
View PDF13 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0014]Therefore, an object of the invention is to devise a process for producing a rotationally symmetric

Problems solved by technology

When the pipe need not be re-clamped from one machine to another in the individual working steps, the produ

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Process for producing rotationally symmetrical components
  • Process for producing rotationally symmetrical components
  • Process for producing rotationally symmetrical components

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030]FIGS. 1A-1D schematically show the production sequence in the manufacture of a shaft 1 with an outside diameter D which varies over the entire length and a varying wall thickness d according to the process known from the prior art, proceeding from a pipe 2. Of the four production steps shown overall, the first two production steps (FIGS. 1A and 1B) relate to the production of the pipe 2, while the last two production steps (FIGS. 1C and 1D) relate to production of the shaft 1 from the pipe 2.

[0031]FIG. 1A shows a simply welded pipe 2 with an outside diameter D1 and a wall thickness d1. The wall thickness d1 corresponds to the thickness of the sheet metal or steel strip from which the pipe 2 has been bent. FIG. 1B shows the pipe 2′ after it has been drawn through a drawing die or drawing ring. By drawing the pipe 2, it has an outside diameter D21 and a wall thickness d21. This pipe 2′ is dimensioned such that from the pipe a shaft 1 with an end area 3 with the desired outside d...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Thicknessaaaaaaaaaa
Diameteraaaaaaaaaa
Login to view more

Abstract

A process for producing a hollow monoblock shaft from a pipe, the pipe initially having a constant diameter and a constant wall thickness, and the monoblock component including at least one area of its length being of a smaller outside diameter and a greater wall thickness than the constant diameter and constant wall thickness of the pipe. The process can be carried out simply and economically by the following process steps:
    • selecting a pipe with a wall thickness which corresponds to the smallest wall thickness of the finished component,
    • partial heating of at least one area of the pipe,
    • axial upsetting the heated area of the pipe and
    • radial forging the heated area of the pipe.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The invention relates to a process for producing rotationally symmetrical components from a pipe, especially hollow monoblock shafts, the pipe initially having a constant outside diameter and a constant wall thickness, and the rotationally symmetrical component having at least over one area of its entire length an outside diameter which deviates from the constant outside diameter, especially as a smaller outside diameter, and / or a wall thickness which deviates from the constant wall thickness, especially as a greater wall thickness. In addition, the invention relates to a rotationally symmetrical component.[0003]2. Description of Related Art[0004]Rotationally symmetrical components which have different outside diameters and different wall thicknesses over their entire length are used especially in motor vehicles as drive shafts, camshafts, intermediate shafts or gear shafts. Under the aspect of “weight reduction” which ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B21J5/08B21D41/04B21C37/16B21K1/12B21K21/12
CPCB21C37/16B21K21/12B21K1/12Y10T29/49945
Inventor GINSBERG, JOCHENMUHR, THOMAS
Owner MUHR UND BENNDER KG
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap